TY  - BOOK
AU  - Ghirardi,Alfred A.
TI  - Radio physics course: an elementary radio text book for students, set builders and servicemen 
U1  - 621.384 23
PY  - 1932///
CY  - New York
PB  - Rinehart and Winston
KW  - Radio
N1  - Originally published as a series of articles in Radio mechanics and Radio design magazines. cf. Pref
ER  -